| 单词 | adsl | 
| 释义 | > as lemmasADSL   ADSL n. Computing and Telecomm. asymmetric (also asynchronous) digital subscriber line (or loop), a technology for the transmission of digital data over standard copper telephone lines which allows the high-speed transmission of signals from the telephone network to an individual subscriber, but a slower rate of transmission from the subscriber to the network; cf. DSL n. at D n. Additions. ΚΠ 1991    Telephony 10 June 28/2  				The ADSL concept grew out of Bellcore's developmental work for high-rate digital subscriber line. 2000    Internet Money No. 15. 65/2  				Because ADSL uses existing copper cables, the high frequency signals sent down them get degraded as they get further away from their point of origin. 2005    Guardian 3 Mar. (Life section) 21/2  				The real speeds of 400kbps to 800kbps are comfortably within the range delivered on phone lines by ADSL. < as lemmas  | 
	
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